CDL Air Brakes Practice Test Results

Question 1
76% answer correctly
In what type of climate would an alcohol evaporator be useful?
In a cold climate
In a warm climate
In a tropical climate
In all climates
Question 2
43% answer correctly
For vehicles that use air brakes, emergency and parking brakes:
Can only be air brakes
Are not required
Must be a combination of mechanical and air brakes
Must be mechanical brakes
Question 3
69% answer correctly
If the air compressor stops working, air brakes:
Can still be used several times
Immediately fail
Can be used indefinitely
Cannot be used